MrSluffy
126 lines
3.8 KiB
Java
126 lines
3.8 KiB
Java
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.wm.shell.pip;
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import android.app.RemoteAction;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Forwards changes to the Picture-in-Picture params to all listeners.
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*/
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public class PipParamsChangedForwarder {
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private final List<PipParamsChangedCallback>
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mPipParamsChangedListeners = new ArrayList<>();
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/**
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* Add a listener that implements at least one of the callbacks.
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*/
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public void addListener(PipParamsChangedCallback listener) {
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if (mPipParamsChangedListeners.contains(listener)) {
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return;
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}
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mPipParamsChangedListeners.add(listener);
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}
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/**
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* Call to notify all listeners of the changed aspect ratio.
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*/
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public void notifyAspectRatioChanged(float aspectRatio) {
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for (PipParamsChangedCallback listener : mPipParamsChangedListeners) {
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listener.onAspectRatioChanged(aspectRatio);
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}
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}
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/**
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* Call to notify all listeners of the changed expanded aspect ratio.
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*/
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public void notifyExpandedAspectRatioChanged(float aspectRatio) {
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for (PipParamsChangedCallback listener : mPipParamsChangedListeners) {
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listener.onExpandedAspectRatioChanged(aspectRatio);
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}
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}
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/**
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* Call to notify all listeners of the changed title.
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*/
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public void notifyTitleChanged(CharSequence title) {
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String value = title == null ? null : title.toString();
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for (PipParamsChangedCallback listener : mPipParamsChangedListeners) {
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listener.onTitleChanged(value);
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}
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}
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/**
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* Call to notify all listeners of the changed subtitle.
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*/
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public void notifySubtitleChanged(CharSequence subtitle) {
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String value = subtitle == null ? null : subtitle.toString();
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for (PipParamsChangedCallback listener : mPipParamsChangedListeners) {
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listener.onSubtitleChanged(value);
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}
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}
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/**
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* Call to notify all listeners of the changed app actions or close action.
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*/
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public void notifyActionsChanged(List<RemoteAction> actions, RemoteAction closeAction) {
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for (PipParamsChangedCallback listener : mPipParamsChangedListeners) {
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listener.onActionsChanged(actions, closeAction);
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}
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}
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/**
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* Contains callbacks for PiP params changes. Subclasses can choose which changes they want to
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* listen to by only overriding those selectively.
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*/
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public interface PipParamsChangedCallback {
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/**
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* Called if aspect ratio changed.
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*/
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default void onAspectRatioChanged(float aspectRatio) {
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}
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/**
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* Called if expanded aspect ratio changed.
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*/
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default void onExpandedAspectRatioChanged(float aspectRatio) {
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}
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/**
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* Called if either the actions or the close action changed.
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*/
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default void onActionsChanged(List<RemoteAction> actions, RemoteAction closeAction) {
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}
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/**
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* Called if the title changed.
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*/
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default void onTitleChanged(String title) {
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}
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/**
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* Called if the subtitle changed.
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*/
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default void onSubtitleChanged(String subtitle) {
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}
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}
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}
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